Twilio incident

Voice Call Audio Quality Degradation Between a Subset of Twilio Phone Numbers and T-Mobile in United States

Minor Ongoing View vendor source →

Twilio is currently experiencing a minor incident affecting Voice, North America, which began 2h ago. The vendor's full update timeline is below.

Started
May 11, 2026, 04:04 PM UTC
Resolved
Ongoing
Duration
● 1h 31m
Detected by Pingoru
May 11, 2026, 04:04 PM UTC

Affected components

Voice, North America

Update timeline

  1. investigating May 11, 2026, 04:04 PM UTC

    Twilio customers may be experiencing voice call audio quality degradation between a subset of Twilio Phone Numbers and T-Mobile network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

  2. identified May 11, 2026, 04:27 PM UTC

    Twilio customers may be experiencing voice call audio quality degradation between a subset of Twilio Phone Numbers and T-Mobile network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.